I decided that for my CGI scripts I wanted FormContentDict objects to allow
items to be deleted, but I didn't want to create my own version of cgi.py
just to add a __delitem__ method. This was accomplished easily enough:
class FormContentDictBase:
def __delitem__(self,key):
del self.dict[key]
import cgi
FormContentDictBase.__bases__ = cgi.FormContentDict.__bases__
cgi.FormContentDict.__bases__ = (FormContentDictBase,)
I'm pretty certain that __bases__ has been writable for awhile (since 1.5?).
Aside from the slight underhandedness of the technique is there anything
else I should be careful of?
By the way, has anyone else noticed that the Deja News search box on
http://www.python.org/search/ seems busted? I searched there for __bases__
and got some hits pretty far afield from comp.lang.python
(alt.religion.kibology and sci.physics.relativity, to name two other
groups).
--
Skip Montanaro (skip at mojam.com)
http://www.mojam.com/http://www.musi-cal.com/